<template>
  <div class="sidebar">
    <el-menu
      class="sidebar-el-menu"
      :default-active="onRoutes"
      :collapse="collapse"
      background-color="#0c2438"
      text-color="#d6d6d6"
      active-text-color="#3d9cff"
      unique-opened
      router
    >
      <template v-for="item in items">
        <template v-if="item.subs">
          <el-submenu :index="item.index" :key="item.index">
            <template slot="title">
              <i :class="item.icon"></i>
              <span slot="title">{{ item.title }}</span>
            </template>
            <template v-for="subItem in item.subs">
              <el-submenu
                v-if="subItem.subs"
                :index="subItem.index"
                :key="subItem.index"
              >
                <template slot="title">{{ subItem.title }}</template>
                <el-menu-item
                  v-for="(threeItem, i) in subItem.subs"
                  :key="i"
                  :index="threeItem.index"
                  >{{ threeItem.title }}</el-menu-item
                >
              </el-submenu>
              <el-menu-item
                v-else
                :index="subItem.index"
                :key="subItem.index"
                >{{ subItem.title }}</el-menu-item
              >
            </template>
          </el-submenu>
        </template>
        <template v-else>
          <el-menu-item :index="item.index" :key="item.index">
            <i :class="item.icon"></i>
            <span slot="title">{{ item.title }}</span>
          </el-menu-item>
        </template>
      </template>
    </el-menu>
  </div>
</template>

<script>
import bus from "../common/bus";
export default {
  data() {
    return {
      collapse: false,
      items: [],
      administrator: {
        dept: "",
        roleid: "", //管理员等级 1：超级管理员 、2：辅导员、3：院系管理员
        username: "",
        userId: "", //管理员id
      },
    };
  },
  computed: {
    onRoutes() {
      return this.$route.path.replace("/", "");
    },
  },
  created() {
    let that = this;
    let my_user = localStorage.getItem("my_user");
    if (my_user) {
      my_user = JSON.parse(my_user);
      that.administrator.roleid = my_user.roleid;
    }
    let allMenu = [
      {
        icon: "el-icon-house",
        index: "dashboard1",
        title: "首页",
      },
      {
        icon: "el-icon-tickets",
        index: "applymanage",
        title: "请销假管理",
      },
      {
        icon: "el-icon-user",
        index: "manager",
        title: "操作员管理",
      },
      {
        icon: "el-icon-school",
        index: "department",
        title: "院系管理",
      },
      {
        icon: "el-icon-setting",
        index: "setting",
        title: "系统配置",
        subs: [
          {
            icon: "el-icon-setting",
            index: "settime",
            title: "审批相关配置",
          },
          {
            icon: "el-icon-setting",
            index: "settype",
            title: "请假类型配置",
          },
          {
            icon: "el-icon-setting",
            index: "setreason",
            title: "请假原因配置",
          },
          {
            icon: "el-icon-setting",
            index: "setplace",
            title: "关注地点配置",
		  },
		  {
			icon: 'el-icon-setting',
			index: 'setbanner',
			title: '首页轮播配置',
		  },
        ],
      },
    ];
    let otherMenu = [
      {
        icon: "el-icon-house",
        index: "dashboard1",
        title: "首页",
      },
      {
        icon: "el-icon-tickets",
        index: "applymanage",
        title: "请销假管理",
      },
      {
        icon: "el-icon-setting",
        index: "setting",
        title: "系统配置",
        subs: [
          {
            icon: "el-icon-setting",
            index: "settype",
            title: "请假类型配置",
          },
          {
            icon: "el-icon-setting",
            index: "setreason",
            title: "请假原因配置",
          },
          {
            icon: "el-icon-setting",
            index: "setplace",
            title: "关注地点配置",
		  },
        ],
      },
    ];
    if (that.administrator.roleid == 1) {
      that.items = allMenu;
    } else {
      // that.items = allMenu;
      that.items = otherMenu;
    }
    // 通过 Event Bus 进行组件间通信，来折叠侧边栏
    bus.$on("collapse", (msg) => {
      this.collapse = msg;
      bus.$emit("collapse-content", msg);
    });
  },
};
</script>

<style scoped>
.sidebar {
  display: block;
  position: absolute;
  left: 0;
  top: 70px;
  bottom: 0;
  overflow-y: scroll;
}

.sidebar::-webkit-scrollbar {
  width: 0;
}

.sidebar-el-menu:not(.el-menu--collapse) {
  width: 250px;
}

.sidebar > ul {
  height: 100%;
}
</style>
